<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>css</title>
		<style type="text/css">
			div{
				border: 4px solid red;
			}
			.d1{
				background-color: blueviolet;
			}
			#t{
				font-size: 40px;
				color: red;
			}
		</style>
	</head>
	<body>
		<!-- id,name,class,style,type=?,value -->
		<div>1111</div>
		<p class="d1">2222</p>
		<h3 id="t" style="font-size: 8px;">We change lives</h3>
	</body>
</html>